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Technical Specifications
Last Updated: 2026-08-12Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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| Identity | |
| Brand |  |
| Product Number | SPMDSP75 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
4.8V19.00 oz-in1.37 kg-cm0.1 N-m |
| Speed |
4.8V0.11 sec/60°545.5 deg/s90.9 RPM |
| Running Current | (add) |
| Stall Current | (add) |
| Shaft Power | 0.32 W |
| Physical | |
| Weight | 0.26 oz7.5 g |
| Dimensions |
L 0.90 in W 0.45 in H 0.94 in L 22.9 mm W 11.4 mm H 23.9 mm |
| Case Material | (add) |
| Drivetrain | |
| Motor Type | Coreless |
| Motor Drive | (add) |
| Gears | Plastic |
| Gear Spline/Teeth | (add) |
| Rotation Mode | (add) |
| Rotation/Support | Bushing |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Digital |
| Direction | (add) |
| Rotational Range | 90° |
| Mechanical Limit | (add) |
| Pulse Cycle | (add) |
| Pulse Width | (add) |
| Neutral Position | (add) |
| Dead Band | (add) |
| Refresh Rate | (add) |
| Angle Sensor | (add) |
| Control System | PWM |
| Programmable | (add) |
| Signal Voltage | (add) |
| Electrical & Environment | |
| Operating Voltage | (add) |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | (add) |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | (add) |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | (add) |
| Origin | |
| Country of Origin | (add) |
Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.
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Reviews (3)
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loohooloo
February 1, 2013Application(s): E-flite Ultimate 3D
Comments: I bought 4 of DSP75. All of them have centering issues; they are constantly searching for centers and causing control surfaces to vibrate like crazy. You have to decrease the loads for the servos or dampen the servo motions by using light rubber bands around the servo. Seriously, specktrum knows this issues. Just google Spektrum SPMDSP75 oscillation problem. I hope they still have the page online.
I don't know if i should risk my Ultimate 3D for a test flight.
Spad475
November 13, 2011Application(s): 20 ounce balsa model, electric motor
Comments: Spectrum gave these away with their i6 Radio. They don't work. Have four of them. None work.
Rosiesdad
July 21, 2011Application(s): throttle on a 60 size airplane
Comments: installed for a max of 4 hours. no flying thank goodness
just setting up and testing the engine. It froze up solid.
It always made noises like it wouldn't stop seeking. Had another new one. Just plugged it in the receiver to test and same noises and seeking. Didn't install the second one for fear it would freeze up too. They are going back. I consider them JUNK !